<?php /** * * @package phpBB3 * @version $Id: cron.php 8479 2008-03-29 00:22:48Z naderman $ * @copyright (c) 2005 phpBB Group * @license http://opensource.org/licenses/gpl-license.php GNU Public License * */ /** */ define('IN_PHPBB', true); define('IN_CRON', true); $phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './'; $phpEx = substr(strrchr(__FILE__, '.'), 1); include($phpbb_root_path . 'common.' . $phpEx); // Do not update users last page entry $user->session_begin(false); $auth->acl($user->data); $cron_type = request_var('cron_type', ''); $use_shutdown_function = (@function_exists('register_shutdown_function')) ? true : false; // Output transparent gif header('Cache-Control: no-cache'); header('Content-type: image/gif'); header('Content-length: 43'); echo base64_decode('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=='); // test without flush ;) // flush(); // if (!isset($config['cron_lock'])) { set_config('cron_lock', '0', true); } // make sure cron doesn't run multiple times in parallel if ($config['cron_lock']) { // if the other process is running more than an hour already we have to assume it // aborted without cleaning the lock $time = explode(' ', $config['cron_lock']); $time = $time[0]; if ($time + 3600 >= time()) { exit; } } define('CRON_ID', time() . ' ' . unique_id()); $sql = 'UPDATE ' . CONFIG_TABLE . " SET config_value = '" . $db->sql_escape(CRON_ID) . "' WHERE config_name = 'cron_lock' AND config_value = '" . $db->sql_escape($config['cron_lock']) . "'"; $db->sql_query($sql); // another cron process altered the table between script start and UPDATE query so exit if ($db->sql_affectedrows() != 1) { exit; } /** * Run cron-like action * Real cron-based layer will be introduced in 3.2 */ switch ($cron_type) { case 'queue': if (time() - $config['queue_interval'] <= $config['last_queue_run'] || !file_exists($phpbb_root_path . 'cache/queue.' . $phpEx)) { break; } // A user reported using the mail() function while using shutdown does not work. We do not want to risk that. if ($use_shutdown_function && !$config['smtp_delivery']) { $use_shutdown_function = false; } include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx); $queue = new queue(); if ($use_shutdown_function) { register_shutdown_function(array(&$queue, 'process')); } else { $queue->process(); } break; case 'tidy_cache': if (time() - $config['cache_gc'] <= $config['cache_last_gc'] || !method_exists($cache, 'tidy')) { break; } if ($use_shutdown_function) { register_shutdown_function(array(&$cache, 'tidy')); } else { $cache->tidy(); } break; case 'tidy_search': // Select the search method $search_type = basename($config['search_type']); if (time() - $config['search_gc'] <= $config['search_last_gc'] || !file_exists($phpbb_root_path . 'includes/search/' . $search_type . '.' . $phpEx)) { break; } include_once("{$phpbb_root_path}includes/search/$search_type.$phpEx"); // We do some additional checks in the module to ensure it can actually be utilised $error = false; $search = new $search_type($error); if ($error) { break; } if ($use_shutdown_function) { register_shutdown_function(array(&$search, 'tidy')); } else { $search->tidy(); } break; case 'tidy_warnings': if (time() - $config['warnings_gc'] <= $config['warnings_last_gc']) { break; } include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx); if ($use_shutdown_function) { register_shutdown_function('tidy_warnings'); } else { tidy_warnings(); } break; case 'tidy_database': if (time() - $config['database_gc'] <= $config['database_last_gc']) { break; } include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx); if ($use_shutdown_function) { register_shutdown_function('tidy_database'); } else { tidy_database(); } break; case 'tidy_sessions': if (time() - $config['session_gc'] <= $config['session_last_gc']) { break; } if ($use_shutdown_function) { register_shutdown_function(array(&$user, 'session_gc')); } else { $user->session_gc(); } break; case 'prune_forum': $forum_id = request_var('f', 0); $sql = 'SELECT forum_id, prune_next, enable_prune, prune_days, prune_viewed, forum_flags, prune_freq FROM ' . FORUMS_TABLE . " WHERE forum_id = $forum_id"; $result = $db->sql_query($sql); $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); if (!$row) { break; } // Do the forum Prune thang if ($row['prune_next'] < time() && $row['enable_prune']) { include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx); if ($row['prune_days']) { if ($use_shutdown_function) { register_shutdown_function('auto_prune', $row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq']); } else { auto_prune($row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq']); } } if ($row['prune_viewed']) { if ($use_shutdown_function) { register_shutdown_function('auto_prune', $row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq']); } else { auto_prune($row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq']); } } } break; } // Unloading cache and closing db after having done the dirty work. if ($use_shutdown_function) { register_shutdown_function('unlock_cron'); register_shutdown_function('garbage_collection'); } else { unlock_cron(); garbage_collection(); } exit; /** * Unlock cron script */ function unlock_cron() { global $db; $sql = 'UPDATE ' . CONFIG_TABLE . " SET config_value = '0' WHERE config_name = 'cron_lock' AND config_value = '" . $db->sql_escape(CRON_ID) . "'"; $db->sql_query($sql); } ?>